sodium fluoride(SF), CAS: 7681-49-4

Product Name:              Sodium Fluoride SF

CAS No:                    7681-49-4

EINECS No.:                    231-667-8

Molecular formula:           NaF

Molecular weight:            42

Appearance:               a white powder or crystal.

Purity:                                     99%

Place of origin:                        Hubei Province, China

annual output:                         10000MT

Hazardous Grade:            6.1

UN NO:                     1690

Packing:                    Plastic woven bag lined with plastic bag, net weight 25kg.

Loading capacity of 20GP:    25MT

Delivery Port                             Yangsi Port, Wuhan City or China Main port

Standard:                   GB4293-84

Properties:                  White crystal; relative density: 2.258, melting point: 993°C,boiling point: 1695°C. Slightly soluble in water and alcohol, dilute acid; soluble in hydrofluoric acid, forming sodium bifluoride; toxic.

 

Specifications:

1) Crystalloid 40-120mesh

parameter

data

Food grade & Dentifrice grade

Industry first grade

Content(NaF)%>=

99

98

SiO2%<=

   

Na2CO3%<=

   

SO4%<=

   

Water insouble matter%<=

   

Acidity (HF)%<=

   

Moisture(H2O)%<=

   

Heavy metal(Pb)

 

 

Remark(food grade and dentifrice grade):

acidity or alkalinity: 0.04ml

fluosilicate: not find out

appearance: without visible impurity

odor:  odorless

qualitative----- fluorinion: pass

K: 0.0026

Chloride<120mg/kg

Fe<75mg/kg

heavy metal(Pb)<0.003

moisture(method of loss of weight )<0.1

qualitative---sodium ion: pass

 impurity<0.5mg/20g

As<2mg/kg

NaF: 99.2

Particle size: 325mesh

2) Powder 150-240mesh

parameter

data

Industry grade

Content(NaF)%>=

98

SiO2%<=

 

Na2CO3%<=

 

SO4%<=

 

Water insouble matter%<=

 

Acidity (HF)%<=

 

Moisture(H2O)%<=

 

Applications:

1) NaF is an important fluoride, used as pesticides and bactericides in agriculture

2) Used as wood conservative, water treatment agent, ceramic pigment and fluoride treament of light metal

3) Used as UF2 adsorbent in nuclear industry

4) Used as materials for making other fluoride chemicals, in enamel industry, medical industry, paper making industry, building materials




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